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COUNTY · 2020 ACS

Carroll County

Maryland · 172,891 residents · 447.615 sq mi
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The short version

Carroll County is significantly wealthier than the US average, with a median household income of $99,569. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $343,400. Poverty is rare here, at 4.8% of residents.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 42.1
US median: 38.8
More educated
37% hold a bachelor's degree
US average: 33%
Less affordable
home values up 40%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
172,891
+15%since 2000
from 150,897 in 2000
1990 – 2025
Median age
42.1
+14%since 2000
from 36.9 in 2000
US average: 38.8
Population, 1990 – 2024
118K134K149K165K181K1990201020202024Carroll County
2024175K
1990201020202024
Age distribution, 2020
Under 55.3%(9,240)
US avg: 5.6%
5 to 96%(10,291)
US avg: 6.1%
10 to 146.4%(11,004)
US avg: 6.5%
15 to 196.9%(11,852)
US avg: 6.6%
20 to 245.7%(9,815)
US avg: 6.7%
25 to 3411.1%(19,194)
US avg: 13.5%
35 to 4411.8%(20,408)
US avg: 12.7%
45 to 5413.6%(23,509)
US avg: 12.3%
55 to 6415.4%(26,661)
US avg: 13.1%
65 to 7410.4%(17,956)
US avg: 10%
75 to 845.4%(9,321)
US avg: 4.9%
85 and over2.1%(3,640)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$99,569
+10%inflation adjusted, since 2000
from $60,021 in 2000
US average: $66,278
1990 – 2024
Per capita income
$43,183
+81%since 2000
from $23,829 in 2000
US average: $35,364
Households earning $100K+
63.1%
+8.7 ptssince 2009
from 54.4% in 2009
US average: 43.9%
Poverty rate
4.8%
+0.9 ptssince 2000
from 3.8% in 2000
US average: 12.8%
Workforce by industry, 2020
Wholesale trade10.9%
US avg: 6.7%
Information10.2%
US avg: 11.1%
Other services7.2%
US avg: 6.6%
Retail trade6%
US avg: 10%
Public administration5.5%
US avg: 4.7%
Finance & insurance3.6%
US avg: 5.5%
Professional, scientific, technical2.9%
US avg: 4.7%
Transportation & warehousing2.4%
US avg: 2.5%
Arts, entertainment, food1.9%
US avg: 2%
Agriculture, forestry, fishing0.9%
US avg: 1.7%
Construction0.8%
US avg: 1.2%
Education & health services0.8%
US avg: 0.8%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$343,400
+40%inflation adjusted, since 2000
from $163,300 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,121
+17%inflation adjusted, since 2000
from $638 in 2000
US average: $1,124
Owner-occupied
82.3%
+0.3 ptssince 2000
from 82.0% in 2000
17.7% rent
Afford Score
3.4
−21%since 2009
from 4.4 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in Carroll County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic95.1%(143,455)
Black2.3%(3,400)
Hispanic / Latino1%(1,489)
Asian0.7%(1,124)
Other0%
2020
White, non-Hispanic84.9%(146,701)
Black3.7%(6,361)
Hispanic / Latino4.5%(7,745)
Asian2.2%(3,766)
Other2.4%(4,129)
Segregation Score
20
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican0.9%(1,585)
Central American0.9%(1,509)
South American0.7%(1,160)
Puerto Rican0.6%(993)
Salvadoran0.5%(834)
Cuban0.2%(399)
Guatemalan0.2%(339)
Argentine0.2%(257)
Colombian0.1%(238)
Venezuelan0.1%(213)
Honduran0.1%(200)
Spaniard0.1%(141)
+ 9 more hispanic origin groups with data
Dominican0.1%(128)
Peruvian0.1%(128)
Ecuadorian0.1%(106)
Chilean0.1%(104)
Bolivian0%(31)
Asian origin
Asian Indian0.6%(1,040)
Korean0.3%(585)
Filipino0.3%(519)
Chinese0.2%(405)
Pakistani0.2%(334)
Vietnamese0.1%(197)
Indonesian0.1%(86)
Japanese0%(73)
Cambodian0%(29)
Taiwanese0%(19)
Thai0%(14)
Pacific Islander origin
Chamorro0%(49)
Samoan0%(33)
Tongan0%(27)
Ancestry
German25.9%(43,506)
Irish18.1%(30,467)
American12.1%(20,334)
English11.5%(19,282)
Italian7.8%(13,152)
Polish4.9%(8,242)
Scottish2.4%(4,058)
French1.8%(2,963)
Russian1.1%(1,842)
Scotch-Irish1.1%(1,794)
Dutch1%(1,650)
+ 41 more ancestry groups with data
Welsh0.9%(1,463)
British0.8%(1,399)
Swedish0.7%(1,175)
Greek0.7%(1,130)
Norwegian0.5%(855)
Lithuanian0.5%(794)
Hungarian0.5%(764)
West Indian0.4%(597)
Czech0.4%(589)
Slovak0.3%(572)
Ukrainian0.3%(546)
Portuguese0.3%(499)
Swiss0.3%(426)
Danish0.2%(375)
Austrian0.2%(368)
Lebanese0.1%(191)
Romanian0.1%(156)
Canadian0.1%(140)
Jamaican0.1%(127)
Haitian0.1%(115)
Bulgarian0.1%(109)
Finnish0.1%(106)
Turkish0.1%(92)
Croatian0%(81)
Israeli0%(79)
Nigerian0%(70)
Belgian0%(67)
Brazilian0%(62)
Serbian0%(55)
Iranian0%(46)
Armenian0%(38)
Syrian0%(36)
Slovene0%(35)
Moroccan0%(33)
Ethiopian0%(32)
Latvian0%(28)
Arab0%(6)
RANKED:Largest German population · Largest Irish population · Largest American population · Largest English population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
37.0%
+12.1 ptssince 2000
from 24.8% in 2000
US average: 32.9%
High school or higher
93.1%
+7.8 ptssince 2000
from 85.3% in 2000
US average: 88.5%
Graduate degree
13.9%
+5.1 ptssince 2000
from 8.8% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
36.1 min
+34%since 2000
from 26.9 min in 2000
US average: 26.9
Drive alone to work
82.8%
+0.5 ptssince 2009
from 82.3% in 2009
US average: 75.1%
No vehicle available
4.2%
+0.5 ptssince 2009
from 3.7% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
3.4%
−0.6 ptssince 2011
from 4.1% in 2011
US average: 5.4%
Labor force participation
67.2%
−2.0 ptssince 2011
from 69.2% in 2011
US average: 63.4%
Management & professional
46.7%
−20.3 ptssince 2009
from 67.0% in 2009
US average: 39.3%
Section 08

People & community

Male
49.5%
−0.1 ptssince 2009
from 49.6% in 2009
Female
50.5%
+0.1 ptssince 2009
from 50.4% in 2009
Foreign born
4.1%
+0.7 ptssince 2009
from 3.4% in 2009
US average: 13.5%
Uninsured
3.2%
−90.6 ptssince 2013
from 93.8% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married29.1%(20,670)
Married61.1%(43,330)
Widowed3%(2,132)
Divorced6.8%(4,811)
Women 15+
Never married24%(17,457)
Married57.4%(41,788)
Widowed8.4%(6,137)
Divorced10.2%(7,459)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to Carroll County

Charles County
Pop 176,593
Lower Connecticut River Valley Planning Region
Pop 177,311
El Dorado County
Pop 192,323
Kendall County
Pop 145,470
Places similar to Carroll County
Head to head

Compare Carroll County to nearby counties

CARROLL COUNTY VS
Frederick County
Income$122,002+23%
Home value$464,600+35%
Population302,883+71%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Howard County
Income$149,763+50%
Home value$597,900+74%
Population339,183+92%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Baltimore County
Income$91,768−8%
Home value$349,300+2%
Population847,650+380%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Adams County
Income$84,092−16%
Home value$268,500−22%
Population107,594−39%
SEE FULL COMPARISON →
Frequently asked

How many people live in Carroll County, Maryland?

Carroll County, Maryland has about 172,891 residents according to the 2020 American Community Survey.

What is the median household income in Carroll County, Maryland?

The typical household in Carroll County, Maryland earns about $99,569 a year. Half of households make more than that, and half make less.

Is Carroll County, Maryland expensive?

In Carroll County, Maryland, the median home is worth about $343,400, and the typical rent is about $1,121 a month.

How educated are people in Carroll County, Maryland?

About 37.0% of adults age 25 and over in Carroll County, Maryland hold a bachelor's degree or higher.

What is the poverty rate in Carroll County, Maryland?

About 4.8% of people in Carroll County, Maryland live below the federal poverty line.

Has Carroll County, Maryland grown since 1990?

Yes, Carroll County, Maryland has grown since 1990. The population has added about 49,519 residents, a change of about 40 percent over that period.

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Explore from here

37 census tracts (top 20 by population)
Census Tract 5081.03Census Tract 5042.02Census Tract 5082Census Tract 5077.04Census Tract 5130.02Census Tract 5051.02Census Tract 5078.01Census Tract 5010.01Census Tract 5042.01Census Tract 5062Census Tract 5075Census Tract 5030Census Tract 5142.01Census Tract 5130.01Census Tract 5061.01Census Tract 5041Census Tract 5052.08Census Tract 5078.02Census Tract 5010.02Census Tract 5076.01
9 ZIP codes
ZIP 21784ZIP 21157ZIP 21158ZIP 21074ZIP 21102ZIP 21787ZIP 21048ZIP 21776ZIP 21757
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →